1 files changed, 41 insertions, 0 deletions
diff --git a/test/CodeGen/attr-mode-vector-types.c b/test/CodeGen/attr-mode-vector-types.c
new file mode 100644
index 000000000000..3c028fbd2882
--- /dev/null
+++ b/test/CodeGen/attr-mode-vector-types.c
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -emit-llvm -o - | FileCheck %s
+
+typedef int __attribute__((mode(byte))) __attribute__((vector_size(4))) vec_t1;
+typedef int __attribute__((mode(QI))) __attribute__((vector_size(8))) vec_t2;
+typedef int __attribute__((mode(SI))) __attribute__((vector_size(16))) vec_t3;
+typedef int __attribute__((mode(DI))) __attribute__((vector_size(64)))vec_t4;
+typedef float __attribute__((mode(SF))) __attribute__((vector_size(128))) vec_t5;
+typedef float __attribute__((mode(DF))) __attribute__((vector_size(256))) vec_t6;
+
+void check() {
+  // CHECK: alloca <4 x i8>
+  vec_t1 v1;
+  // CHECK: alloca <8 x i8>
+  vec_t2 v2;
+  // CHECK: alloca <4 x i32>
+  vec_t3 v3;
+  // CHECK: alloca <8 x i64>
+  vec_t4 v4;
+  // CHECK: alloca <32 x float>
+  vec_t5 v5;
+  // CHECK: alloca <32 x double>
+  vec_t6 v6;
+}
+
+// CHECK: ret i32 4
+int check_size1() { return sizeof(vec_t1); }
+
+// CHECK: ret i32 8
+int check_size2() { return sizeof(vec_t2); }
+
+// CHECK: ret i32 16
+int check_size3() { return sizeof(vec_t3); }
+
+// CHECK: ret i32 64
+int check_size4() { return sizeof(vec_t4); }
+
+// CHECK: ret i32 128
+int check_size5() { return sizeof(vec_t5); }
+
+// CHECK: ret i32 256
+int check_size6() { return sizeof(vec_t6); }